H Series Quick Couplings MIL-C-51234

H Series – General Purpose Fluid Applications Quick Couplings MIL-C-51234

The H Series quick couplings, designed for general-purpose fluid applications, offer reliable performance and are built to meet MIL-C-51234 standards. These couplings are ideal for military, industrial, and commercial hydraulic and fluid systems, ensuring secure, leak-free connections in a variety of fluid handling applications. The Snap-Tite H Series is engineered to deliver superior sealing, durability, and ease of use, providing a high-performance solution in demanding environments.

  • The H Series meets the strict requirements of MIL-C-51234, a military standard for quick couplings, ensuring high-quality performance and reliability in critical applications.
  • Designed for general-purpose fluid transfer, the H Series is suitable for use with a variety of fluids, including hydraulic oil, water, fuel, and other industrial fluids. It is commonly used in military, aerospace, construction, and industrial fluid systems.
  • The advanced sealing technology minimizes fluid leakage during connection and disconnection, contributing to a cleaner, safer work environment and reducing maintenance costs.
  • The H Series features a push-to-connect and pull-to-disconnect design, allowing for quick, efficient, and secure coupling, even in high-pressure or challenging environments.

See Products

Series H //Carbon Steel

MaterialCarbon Steel
Surface FinishingZinc-Plating
Standard Seal Material(s)NBR (Buna-N®), PTFE,2
Working Temperature-25° C … +100° C / -13° F … +212° F
Valve DesignSpecial Poppet
ConnectionPush and actuate Push Sleeve
DisconnectionActuate Push Sleeve
Connect Under Pressurenot allowed
ApplicationIndustrial hydraulic lines, Water and coolant lines, Mobile equipment
ISO InterchangeMIL-C-51234

2 Alternative seal materials are available on request.

Features

  • Sizes 1/4” – 4”
  • Default carbon steel ,and available in brass, aluminum and 316 stainless steel for custom manufacturing.
  • Standard seal material is nitrile with other options available
  • Optional sleeve lock helps to prevent accidental disconnection
  • Double-shut-off version has low pressure drop
  • Manually operated sleeve provides secure connection
  • Designed to MIL-C 51234
  • Double shut-off coupling: Valve coupler and valve nipple
  • Single shut-off coupling: Valve coupler and plain nipple

Applications

  • Industrial hydraulic lines
  • Water and coolant lines
  • Mobile equipment
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